Data as of Nov 12, 2026
154.17.99.0/24
Anonymizer · ISP proxyCogent Communications, LLC
IPv4 market
Path
2 · Leased from
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 154.17.99.0/24 | /24s |
|---|---|---|
| Aventice | 256100% | 1 |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 154.17.0.0/16 | 65,536 | COGENT-154-17-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.17.96.0/19 | 8,192 | AVENTICE-CGNT-NET-4 | Aventice LLC (AL-584) · US | Reallocated | Dec 8, 2021 | abuse@ |
Network & registry
Announced by
Covering announcement 154.17.0.0/16
- Prefix
- 154.17.0.0/16
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Anonymizer addresses
- 7,680 addresses · 12%ISP proxy
- Leased from
- IP broker Aventice (part)
- Proxy exits
- 86
- Always-on exits
- 6
- RPKI
- No RPKI
- Netname
- COGENT-154-17-16
- Registrant
- Cogent Communications, LLC
- RIR
- ARIN
Origin network
AS174
US
- Name
- Cogent Communications, LLC
- Type
- Internet provider
- Registered
- May 16, 1996
- Domain
- cogentco.com
- Website
- www.cogentco.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 2,094
Routing timeline
Who has announced 154.17.0.0/16
154.17.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2020 · 6.1 yr
- Origin networks
- 3
- Last change of origin
- Oct 2020
Recorded history
History
- Handoffs
- 4
IRR
Route objects on 154.17.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent Communications | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 154.
17. 0. 0/ 16 - Netname
- COGENT-154-17-16
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-154-17-0-0-1
- Parent
- NET-154-0-0-0-0
- Created
- Feb 5, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN